Explain ONE negative outcomes of not matching an ICT product to the correct audience: PLEASE HELP

Can't read fonts:
- If your audience is older and have poor eyesight, standard size fonts and poor colour schemes can make it difficult to read
No Attraction:
- If you had a website for a child and it had lots of text and not a lot of colour or pictures
Not interesting enough:
- The content of the product is not interesting
Can't use product:
- If it is complex and requires alot of typing or uses a lot of buttons, it would be too difficult for a child to use